| | Arlington, WA | Sequim, WA | United States |
| Expend. per Student | $17,718 | $14,317 | $15,905 |
| Educ. Expend. per Student | $14,748 | $13,877 | $13,142 |
| Instr. Expend. per Student | $9,118 | $8,992 | $7,999 |
| Pupil/Teacher Ratio | 18.91 | 15.4 | 16.23 |
| Students per Librarian | 1564 | 1797 | 4573 |
| Students per Counselor | 420 | 439 | 530 |
| Grade School Educ. | 2.4% | 1.9% | 4.8% |
| Some High School Educ. | 6.9% | 3.0% | 6.3% |
| High School Educ. | 90.7% | 95.0% | 88.9% |
| Some College Educ. | 28.5% | 29.1% | 20.0% |
| 2 yr College Grad. | 11.2% | 11.8% | 8.7% |
| 4 yr College Grad. | 20.9% | 31.7% | 33.7% |
| Masters Grad. | 6.3% | 11.6% | 9.3% |
| Professional Degree | 1.0% | 1.9% | 2.2% |
| Doctorate Degree | 0.4% | 0.6% | 1.5% |